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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_dom_GridTracks_h
#define mozilla_dom_GridTracks_h

#include "nsTArray.h"
#include "nsWrapperCache.h"

namespace mozilla {

struct ComputedGridTrackInfo;

namespace dom {

class GridDimension;
class GridTrack;

class GridTracks : public nsISupports
                 , public nsWrapperCache
{
public:
  explicit GridTracks(GridDimension* aParent);

protected:
  virtual ~GridTracks();

public:
  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(GridTracks)

  virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
  GridDimension* GetParentObject()
  {
    return mParent;
  }

  uint32_t Length() const;
  GridTrack* Item(uint32_t aIndex);
  GridTrack* IndexedGetter(uint32_t aIndex, bool& aFound);

  void SetTrackInfo(const mozilla::ComputedGridTrackInfo* aTrackInfo);

protected:
  RefPtr<GridDimension> mParent;
  nsTArray<RefPtr<GridTrack>> mTracks;
};

} // namespace dom
} // namespace mozilla

#endif /* mozilla_dom_GridTracks_h */